'Cement away' or 'Disclean' as it is more commonly known, is great actually....never realised it was common knowledge!??
You just need to watch your bluing......

You can jest Mr Maximus and that Hobbit Fellow...I have cleared out the local Gun shops of Promethius 'Zingers' (My nickname for them!)....There is plenty of Baby Oil to be had, down here on the coast though!.....

Forgot to mention, as they arrive at the target almost before they leave the muzzle, you don't need any windage!...But then you know all about that, don't you Andy!

XX